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en.wikipedia.org/wiki/Phentolamine

Phentolamine (Regitine) is a reversible nonselective α-adrenergic antagonist. Contents. [hide]. 1 Mechanism; 2 Uses; 3 Chemistry; 4 Adverse effects ...

www.drugbank.ca/drugs/DB00692

Phentolamine is a long-acting, adrenergic, alpha-receptor blocking agent which can produce and maintain "chemical sympathectomy" by oral administration.

www.drugs.com/pro/phentolamine.html

Phentolamine Mesylate for Injection, USP is an antihypertensive, available in vials for intravenous and intramuscular administration. Each vial contains ...

reference.medscape.com/drug/regitine-oraverse-phentolamine-342392

Medscape - Indication-specific dosing for Regitine, OraVerse (phentolamine), frequency-based adverse effects, comprehensive interactions, contraindications,  ...

pubchem.ncbi.nlm.nih.gov/compound/phentolamine

Phentolamine is a synthetic imidazoline with alpha-adrenergic antagonist activity. As a competitive alpha-adrenergic antagonist, phentolamine binds to alpha-1 ...

www.nejm.org/doi/full/10.1056/NEJM199207303270516

Jul 30, 1992 ... Correspondence from The New England Journal of Medicine — Use of Phentolamine for Cocaine-Induced Myocardial Ischemia.

www.sciencedirect.com/topics/neuroscience/phentolamine

Phentolamine, an imidazoline, is a competitive alpha-adrenoceptor antagonist with similar affinities for the alpha-1 and alpha-2 sites. Although phentolamine ...

www.empowerpharmacy.com/phentolamine.html

Phentolamine reduces peripheral resistance via antagonism of the alpha1- receptors and possibly alpha2-receptors on vascular smooth muscle. Antagonism at ...

www.mayoclinic.org/drugs-supplements/phentolamine-injection-route/description/drg-20065481

Phentolamine given by injection causes blood vessels to expand, thereby increasing blood flow. When injected into the penis (intracavernosal), it increases  ...